Unown [M]

Mysterious Treasures · #66/123 · Uncommon · 2007

$4.95
Reverse Holofoil · Market price ▲ 18.1% (30d)
Prices as of Aug 14, 2026
NormalReverse Holofoil
HP 50PsychicBasicArt · Kazuyuki Kano
38graded pop
13%gem rate
12.3×PSA 10 vs raw
-58%off ATH $3.42 · Jul 2026
−$3.74EV to grade — don't
Market data

Printings & price history

Reverse Holofoil▲ 0.0% 7d$4.95
Low $2.45Mid $4.00

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Graded market

Graded values

PSA 10 report →updated 2026-08-14
Grade 6 est.$3.72
Grade 5 est.$3.14
Grade 4 est.$2.59
Grade 3 est.$2.16
Grade 2 est.$1.76
Grade 1 est.$1.49

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Reverse Holofoil · PSA 10 price history$91.80

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

Reverse Holofoil
CGC17 graded · 4 gem 10

Population data from PriceCharting, updated monthly.

Abilities

MAGNET
Once during your turn (before your attack), if Unown M is your Active Pokémon, you may flip a coin. If heads, switch 1 of your opponent's Benched Pokémon with 1 of the Defending Pokémon. This power can't be used if Unown M is affected by a Special Condition.

Attacks

Hidden Power
Flip a coin. If heads, this attack does 30 damage. If tails, this attack does 30 damage to 1 of your Pokémon, and this attack's damage isn't affected by Weakness or Resistance.

“Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.”

How much is Unown [M] #66/123 worth?

A raw copy of Unown [M] #66/123 (Mysterious Treasures, 2007) is worth about $1.12 right now, based on the latest market data from August 14, 2026. Across the 2 printings we track, copies run anywhere from $0.30 to $63.00 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $60.95, roughly 54.4x the raw price, while a PSA 9 sits near $20.95. 17 copies have been graded to date, and 6% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Unown [M] has moved over time.

Collecting Mysterious Treasures?Full master set guide — every card, chase list, and completion cost→

Other printings of Unown [M] 1

Unown [M] #49 Neo Discovery
Unown [M]
Neo Discovery · #49/75